class Grammar
  include MongoMapper::Document

  # short description
  key :d, String
  # language
  key :la, String
  # class
  key :cl, String
  # level or "" if not target level
  key :lv, String
  # long description
  key :ld, String
  # translation
  key :tr, String
  # examples
  key :eg, Array

end
